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Home » Public Forums » GMCnet » Required air pressure for quad bag rear suspension
Required air pressure for quad bag rear suspension [message #328867] Tue, 06 February 2018 09:10 Go to previous message
gibsongo is currently offline  gibsongo   Canada
Messages: 116
Registered: October 2012
Location: Montreal West, Quebec, Ca...
Karma:
Senior Member
Hello Group

I will shortly be having my coach towed (front wheels lifted of course) approximately 400 miles. Not sure the air bags will fully hold their pressure this distance (even less likely in -20C weather), and I don't want the rear end to be dragging by the end of the trip. I also don't want to have to periodically start the engine to run on-board compressor. The tow truck can provide compressed air and I have a quick disconnect valve on my air pressure tank. so I was thinking of simply connecting the trucks compressed air line to the tank,

Does anybody know the appropriate PSI to feed the tank given that the rear suspension is one of the Bounds / Applied GMC quad bag systems?

Thanks

Gordon

PS - I trust that if this is a dumb approach someone will let me know in no uncertain terms, along with why....


Gordon Gibson 1976 23" Norris Upfit Montreal West, Quebec, Canada
 
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